Stool



FIG. 1 is a top, side perspective view of a stool showing my design therefor;

FIG. 2 is a bottom respective view thereof;

FIG. 3 is a front elevational view thereof, the rear being the same;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top side perspective view of a second embodiment of a stool showing my design therefor;

FIG. 9 is a bottom side perspective view thereof;

FIG. 10 is a side eleveational view, the opposite side being the same thereof;

FIG. 11 is a front elevational view thereof, the rear being the same;

FIG. 12 is a top plan view thereof; and,

FIG. 13 is a bottom plan view thereof.

The broken lines shown in the drawings depict portions of the stool that form no part of the claimed design. 

CLAIM The ornamental design for a stool, as shown and described. 